import fetch from 'dva/fetch';
// import { routerRedux } from 'dva/router';
import { stringify } from 'qs';
import { getLoginToken } from '../utils/utils';
import { notification } from 'antd';

// function parseJSON(response) {
//   return response.json();
// }

// const codeMessage = {
//   200: '服务器成功返回请求的数据。',
//   201: '新建或修改数据成功。',
//   202: '一个请求已经进入后台排队（异步任务）。',
//   204: '删除数据成功。',
//   400: '发出的请求有错误，服务器没有进行新建或修改数据的操作。',
//   401: '用户没有权限（令牌、用户名、密码错误）。',
//   403: '用户得到授权，但是访问是被禁止的。',
//   404: '发出的请求针对的是不存在的记录，服务器没有进行操作。',
//   406: '请求的格式不可得。',
//   410: '请求的资源被永久删除，且不会再得到的。',
//   422: '当创建一个对象时，发生一个验证错误。',
//   500: '服务器发生错误，请检查服务器。',
//   502: '网关错误。',
//   503: '服务不可用，服务器暂时过载或维护。',
//   504: '网关超时。'
// };

function checkStatus(response) {
  if (response.status >= 200 && response.status < 300) {
    return response;
  }
  const errortext = response.statusText; //codeMessage[response.status] ||
  console.log('checkStatus error', response);
  notification.error({
    message: errortext || 'Load error,please try again later'
  });
  const error = new Error(errortext);
  error.name = response.status;
  error.response = response;
  throw error;
}

/**
 * Requests a URL, returning a promise.
 *
 * @param  {string} url       The URL we want to request
 * @param  {object} [options] The options we want to pass to "fetch"
 * @return {object}           An object containing either "data" or "err"
 */
export default function request(url, options, selfOptions) {
  selfOptions = Object.assign(
    {
      showMessage: true
    },
    selfOptions || {}
  );
  const newOptions = {
    ...options
  };
  newOptions.headers = {
    ...newOptions.headers,
    Accept: 'application/json',
    Authorization: getLoginToken() ? getLoginToken() : ''
  };
  if (String(newOptions.method).toUpperCase() === 'POST' || String(newOptions.method).toUpperCase() === 'PUT') {
    if (newOptions.body instanceof FormData) {
      newOptions.headers = {
        ...newOptions.headers
      };
    } else {
      newOptions.headers = {
        'Content-Type': 'application/json; charset=utf-8',
        ...newOptions.headers
      };
      if (newOptions.headers['Content-Type'].indexOf('json') > -1) {
        newOptions.body = JSON.stringify(newOptions.body);
      } else {
        newOptions.body = stringify(newOptions.body, { arrayFormat: 'indices', allowDots: true });
      }
    }
  } else {
    newOptions.body = JSON.stringify(newOptions.body);
  }
  if (newOptions.headers.download) {
    let downloadTarget = document.createElement('a');
    downloadTarget.target = '_blank';
    // downloadTarget.setAttribute("download", "");
    downloadTarget.href =
      url.indexOf('?') > 0
        ? `${url}&Authorization=${newOptions.headers.Authorization}`
        : `${url}?Authorization=${newOptions.headers.Authorization}`;
    // console.log('下载地址：',downloadTarget.href)
    downloadTarget.click();
    downloadTarget.remove();
    if (downloadTarget) {
      downloadTarget = undefined;
    }
  } else {
    // // url = url.replace("/api-test/","").replace("http://sellout.api.admin.znwuyi.com","sellout.api.admin.znwuyi.com");
    // if(url.indexOf('api-test')>-1){
    //   debugger
    //   url = "http://sellout.api.admin.znwuyi.com/" +url.split('api-test/')[1];
    // }else{
    //   url = "http://sellout.api.admin.znwuyi.com/" +url;
    // }

    return (
      fetch(url, newOptions)
        .then(checkStatus)
        // .then(parseJSON)
        .then(response => {
          return response.json().then(res => {
            if (res.code && res.code !== 200 && res.code !== '200') {
              if (res.code && [401, 402].indexOf(res.code) > -1) {
                window.location.href = '/#/login';
                // routerRedux.push('/login');
                window.localStorage.clear();
              } else {
                selfOptions.showMessage &&
                  notification.warning({
                    message: res.message || res.msg || 'The operation failed. Please try again later'
                  });
              }
            }
            return res;
          });
        })
        .catch(error => {
          console.error(error, url);
        })
    );
  }
}
